RACLUSTER

NAME

SYNOPSIS

racluster [−fconf] [−magr(s)] [−Mmode(s)] [raoptions]

DESCRIPTION

Racluster reads argus data from an argus-data source, and clusters/merges the records based on the flow key criteria specified either on the command line, or in a racluster configuration file, and outputs a valid argus-stream. This tool is primarily used for data mining, data management and report generation.

The default action is to merge status records from the same flow and argus probe, providing in some cases huge data reduction with limited loss of flow information. Racluster provides the ability to modify the flow model key, either using the "-m" option, or in the racluster.conf file, allowing records to be clustered based on any number of attributes. This supports the development of important reports, such as MPLS LSP usage statistics, DiffServe flow marking policy verification, VLAN group behavior, IP distance related measurements, routing loop detection, traceroute path data recovery, and complex availability/reachability reports, to name just a few useful applications.

OPTIONS

Racluster, like all ra based clients, supports a number of ra options including filtering of input argus records through a terminating filter expression, and the ability to specify the output style, format and contents for printing data. See ra(1) for a complete description of ra options. racluster(1) specific options are:
−maggregation object

Supported aggregation objects are:

none

use a null flow key.

srcid

argus source identifier.

smac

source mac(ether) addr.

dmac

destination mac(ether) addr.

smpls

source mpls label.

dmpls

destination label addr.

svlan

source vlan label.

dvlan

destination vlan addr.

saddr/[l|m]

source IP addr/[cidr len | m.a.s.k].

daddr/[l|m]

destination IP addr/[cidr len | m.a.s.k].

matrix/l

sorted src and dst IP addr/cidr len.

proto

transaction protocol.

sport

source port number.

dport

destination port number.

stos

source TOS byte value.

dtos

destination TOS byte value.

sttl

src -> dst TTL value.

dttl

dst -> src TTL value.

stcpb

src -> dst TCP base sequence number.

dtcpb

dst -> src TCP base sequence number.

inode

intermediate node, source of ICMP mapped events.

−Mmodes

Supported modes are:

norep

Do not generate an aggregate statistic for each flow. This is used primarily when the output represents a single object. Primarily used when merging status records to generate single flows that represent single transactions.

rmon

Generate data suitable for producing RMON types of metrics.

ind

Process each input file independantly, so that after the end of each inputfile, racluster flushes its output.

replace

Replace each inputfile contents, with the aggregated output.

−V

Verbose operation, printing a line of output for each input file processed. Very useful when using the ra() -R option.

INVOCATION

A sample invocation of racluster(1). This call reads argus(8) data from inputfile and aggregates the IP protocol based argus(8) data, based on the source and destination address matrix and the destination port used by tcp flows, and report the metrics as a percent of the total. For most services, this provides service specific metrics on a client/server basis.
racluster -% -r inputfile -m saddr daddr dport - \

tcp and syn and synack

This call reads argus(8) data from inputfile and generates the
path information that traceroute use would generate (assuming that traceroute
was run during the observation period).
racluster -r inputfile -m saddr daddr sttl inode -w - - icmpmap | \